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arXiv · 1805.00744

Under Frequency Load Shedding based on PMU Estimates of Frequency and ROCOF

Asja Derviškadić·Yihui Zuo·Guglielmo Frigo·Mario Paolone
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Abstract

The paper describes a distributed under-frequency load shedding and load restoration scheme, that exploits frequency and Rate-of-Change-of-Frequency (ROCOF) measurements produced by Phasor Measurement Units (PMUs) as detectors of a large contingency. The paper further discusses the appropriateness of using the synchrophasor model for estimating ROCOF during fast transients following a severe generation-load imbalance. The performance of the proposed relaying scheme is compared with a frequency-only based strategy, by means of a real-time digital simulator implementing the time-domain full-replica model of the IEEE 39 bus system.

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Asja Derviškadić, Yihui Zuo, Guglielmo Frigo, Mario Paolone. 2018-05-02. Under Frequency Load Shedding based on PMU Estimates of Frequency and ROCOF. https://arxiv.org/abs/1805.00744

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